Epstein Barr Virus NA1 IgA ELISA Kit (DEIA1030)

Regulatory status: For research use only, not for use in diagnostic procedures.

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Size
96T
Sample
serum, plasma
Species Reactivity
Human
Intended Use
For the qualitative determination of IgA class antibodies against Epstein Barr Virus in Human serum or plasma. It is intended for diagnosing and monitoring of patients related to infection by Epstein Barr Virus.
Contents of Kit
1. Microwell plate: 1 x 96 wells
2. Positive control: 1 x 1 mL
3. Negative control: 1 x 1 mL
4. HRP-conjugated anti-human IgA antibodies: 1 x 11 mL
5. Sample Diluent: 1 x 11 mL
6. Wash Buffer (25X): 1 x 30 mL
7. Chromogen Solution A: 1 x 6 mL
8. Chromogen Solution B: 1 x 6 mL
9. Stop Solution: 1 x 6 mL
Storage
Store at 4°C for frequent use, at -20°C for infrequent use. Avoid multiple freeze-thaw cycles. For more detailed information, please download the following document on our website.

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References


T-cell posttransplant lymphoproliferative disorders after allogeneic hematopoietic cell transplantation

INTERNATIONAL JOURNAL OF HEMATOLOGY

Authors: Kuno, Masatomo; Ito, Ayumu; Maeshima, Akiko Miyagi; Taniguchi, Hirokazu; Tanaka, Takashi; Inamoto, Yoshihiro; Kurosawa, Saiko; Kim, Sung-Won; Fukuda, Takahiro

Posttransplant lymphoproliferative disorder (PTLD) after allogeneic hematopoietic cell transplantation (HCT) is usually donor derived, associated with Epstein-Barr virus (EBV), and of B-cell origin. T-cell PTLD (T-PTLD) after allogeneic HCT is extremely rare. Four of 1015 (0.39%) allogeneic HCT patients were diagnosed with T-PTLD; peripheral T-cell lymphoma-not otherwise specified, anaplastic large cell lymphoma, monomorphic T-cell PTLD and polymorphic PTLD with chronic active EBV infection-like symptoms. Three of the four patients developed T-PTLD within 6 months after HCT from HLA-mismatched unrelated donor. Three (75%) and 4 (100%) cases were positive for EBV-encoded small RNA in situ hybridization and EBV-DNA load in peripheral blood, respectively. Chimerism analysis showed that 75% of T-PTLD tissues (3/4) were recipient derived. T-PTLD was refractory to salvage chemotherapy and fatal in all four patients. Including the 10 patients in the literature, the median interval from HCT to diagnosis of T-PTLD was 5 months (range 1-72 months), 55% were negative for EBV, and 56% were recipient-derived. T-PTLD, which often occurred early after allogeneic HCT, was more likely to be EBV negative and recipient derived than B-cell PTLD after allogeneic HCT. Like T-PTLD after solid organ transplant, T-PTLD after allogeneic HCT demonstrated morphological heterogeneity and poor prognosis.

The association between Epstein-Barr virus and oral lichen planus: A systematic review and meta-analysis

JOURNAL OF ORAL PATHOLOGY & MEDICINE

Authors: Ashraf, Sajna; Al-Maweri, Sadeq A.; Alaizari, Nader; Umair, Ayesha; Ariffin, Zaihan; Alhajj, Mohammed N.; Kassim, Saba; Awan, Kamran Habib

Background Oral lichen planus (OLP) is a relatively common inflammatory disease, with unclear etiology. A number of studies have linked Epstein-Barr virus (EBV) with OLP. The present systematic review and meta-analysis aimed to evaluate the available evidence regarding the potential association between EBV and OLP. Methods Online databases (PubMed, Scopus, Web of Science, ProQuest, and Google Scholar) were searched from date of inception till May 2020. Studies were included if they met the following criteria: 1) observational studies that assessed the relationship between EBV and OLP, 2) the study comprised OLP patients and control subjects, 3) diagnosis of OLP was confirmed histopathologically, and 4) articles were in English. Studies without control groups, experimental studies, case reports, and reviews were excluded. The fixed-effects model was performed for meta-analyses using RevMan 5.3 software. Results A total of 10 studies comprising 386 OLP cases and 304 controls were included. Of these, only 8 studies were eligible for the meta-analysis. The results of the quality assessment showed that only 2 studies were of high quality, while the remaining studies were of moderate quality. The results of the pooled eight studies revealed a significant positive association between EBV and OLP (OR = 4.41, 95% CI: [2.74, 7.11],P < .0001). Conclusion The results of the present systematic review suggest that EBV infection is statistically associated with increased risk of OLP. However, these results are preliminary, and high-quality, large-scale studies are warranted to further explore the potential role of EBV in the pathogenesis of OLP.

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